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Species library › Ludwigia › Ludwigia alternifolia
Other Well documented

Ludwigia alternifolia

Seedbox is a bushy wetland perennial of eastern North America, 60 to 90 cm tall, with yellow four-petalled flowers followed by cube-shaped seed pods. It is fully hardy and needs wet soil, full to part sun and a cold winter dormancy, so it suits a bog garden or pond margin far better than indoor growing.

Ludwigia alternifolia
Photo: Public domain, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Marshes, wet meadows, swamps, ditches and pond edges, in soil that stays wet or waterlogged through the season.

Lowland to low hills: recorded at 7 to 732 m, median 173 m.

United StatesOntarioQuébecTexasFloridaKansasNew YorkPennsylvania

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its Public domain licence, unmodified.